01 - Add peeled bananas, cold milk, maple syrup or honey, vanilla extract, and ice cubes to the blender jar.
02 - Blend on high speed until the mixture is creamy and frothy, approximately 30 seconds.
03 - Taste the shake and adjust sweetness by adding more maple syrup or honey if desired.
04 - Divide the shake evenly between two chilled serving glasses.
05 - Top with whipped cream, banana slices, and a sprinkle of ground cinnamon as desired. Serve immediately.